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Disodium EDTA

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Identification
Molecular formula
C10H14N2Na2O8
CAS number
6381-92-6
IUPAC name
disodium;2-[carboxylatomethyl(carboxymethyl)amino]acetate
State
State

Disodium EDTA is typically in a solid state at room temperature, appearing as a fine, white powder. It is highly soluble in water and is commonly used in aqueous solutions for its chelating properties.

Melting point (Celsius)
252.00
Melting point (Kelvin)
525.15
Boiling point (Celsius)
2 270.00
Boiling point (Kelvin)
2 543.15
General information
Molecular weight
336.21g/mol
Molar mass
336.2060g/mol
Density
0.8600g/cm3
Appearence

The appearance of Disodium EDTA is typically as a white crystalline powder. It is often available in a free-flowing, anhydrous, or dihydrate form, depending on its hydration state.

Comment on solubility

Solubility of Disodium 2-[Carboxylatomethyl(carboxymethyl)amino]acetate

Disodium 2-[carboxylatomethyl(carboxymethyl)amino]acetate, often referred to by its chemical name often associated with its functionality as a chelating agent, exhibits notable solubility characteristics. The solubility of this compound is influenced by several factors, which can be summarized as follows:

  • Water Solubility: This compound is highly soluble in water due to the presence of multiple carboxylate groups. The ionic nature of the disodium salt promotes strong interactions with water molecules.
  • pH Dependence: The solubility can vary with pH. For instance, higher solubility tends to occur at alkaline pH levels where the carboxyl groups are deprotonated.
  • Temperature Influence: Generally, an increase in temperature can enhance solubility, making the compound more favorable for applications requiring higher temperatures.

Notably, “the greater the number of ionizable groups in a compound, the higher the solubility in polar solvents,” which holds true for this compound with its rich functional groups. Additionally, solubility can be impacted by the presence of other ions in solution, which might cause precipitation or complexation.

Overall, the solubility of disodium 2-[carboxylatomethyl(carboxymethyl)amino]acetate renders it a valuable component in various chemical applications, particularly in biological and analytical chemistry contexts.

Interesting facts

Interesting Facts about Disodium 2-[Carboxylatomethyl(carboxymethyl)amino]acetate

Disodium 2-[carboxylatomethyl(carboxymethyl)amino]acetate, commonly referred to as EDTA disodium salt, plays a crucial role in various scientific and industrial applications. This compound is widely recognized for its ability to chelate metals, effectively binding to metal ions and preventing them from participating in unwanted chemical reactions.

Key Applications

  • Metal Ion Sequestration: EDTA is particularly beneficial in cleaning formulations, where it helps to mitigate the adverse effects of metal ions that can contribute to product degradation.
  • Biological Significance: The ability of this compound to bind calcium and magnesium ions is utilized in blood collection tubes, allowing for efficient preservation of biological samples.
  • Industrial Usage: In water treatment processes, EDTA facilitates the removal of heavy metals from wastewater, thereby contributing to environmental protection.
  • Agricultural Applications: It is often employed as a micronutrient fertilizer in agriculture, assisting in the availability of essential trace elements for plant growth.

Chemistry in Action

One of the fascinating aspects of disodium 2-[carboxylatomethyl(carboxymethyl)amino]acetate is its unique structure, featuring multiple carboxyl groups that create a stable chelation complex with various metal ions. When the compound interacts with a metal ion, it forms a ring structure that enhances the stability of the complex, making it significantly less reactive than free metal ions. This property is vital in preserving the integrity of sensitive chemicals and biological systems.

Considerations and Safety

Although generally recognized as safe, it is essential to handle this compound with care, following proper laboratory practices and safety procedures. As with all chemicals, understanding the properties and potential hazards of disodium 2-[carboxylatomethyl(carboxymethyl)amino]acetate is crucial in ensuring safe usage.

In summary, disodium 2-[carboxylatomethyl(carboxymethyl)amino]acetate is not just a remarkable compound in chemistry; its multifaceted applications span from medical fields to environmental conservation, showcasing the pivotal role of chelation in modern science.

Synonyms
15467-20-6
Disodium nitrilotriacetate
Disodium hydrogen nitrilotriacetate
disodium nitriloacetate
Kiresuto NTB
Nitrilotriacetic acid, disodium salt
Nitrilotriacetic acid,disodium salt
UNII-LLV4KI749R
N,N-Bis(carboxymethyl)glycine disodium salt
EINECS 239-484-5
LLV4KI749R
ACETIC ACID, NITRILOTRI-, DISODIUM SALT
Glycine, N,N-bis(carboxymethyl)-, disodium salt
DTXSID6065894
Chelest NTB
NTA, disodium salt
Na2NTA
DTXCID0034980
Acetic acid, nitrilotri, disodium salt
N,NBis(carboxymethyl)glycine disodium salt
Glycine, N,Nbis(carboxymethyl), disodium salt
Glycine, N,Nbis(carboxymethyl), sodium salt (1:2)
Nitrilotriacetic acid disodium salt
MFCD00064230
NITRILOTRIACETICACIDDISODIUMSALT
Triglycollamic Acid Disodium Salt
disodium;2-[carboxylatomethyl(carboxymethyl)amino]acetate
disodium 2-[(carboxylatomethyl)(carboxymethyl)amino]acetate
disodiumnitrilotriacetate
NTA 2Na
C6H7NNa2O6
SCHEMBL156671
orb1705458
AS-81671
SY066745
DB-043229
N0100
E79385
Q27283062
Glycine, N,N-bis(carboxymethyl)-, sodium salt (1:2)
Nitrilotriacetic acid disodium salt, Sigma Grade, >=99%